Cita APA (7a ed.)

Guzman, C. U. d. (2000). The eternal weight of the present life: C. S. Lewis on eschatology. [s.n.].

Cita Chicago Style (17a ed.)

Guzman, Crispin U. de. The Eternal Weight of the Present Life: C. S. Lewis on Eschatology. [S.l.]: [s.n.], 2000.

Cita MLA (9a ed.)

Guzman, Crispin U. de. The Eternal Weight of the Present Life: C. S. Lewis on Eschatology. [s.n.], 2000.